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Yield behavior of sand under generalized stress conditions

机译:广义应力条件下沙子的产量行为

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摘要

The yield behavior of Leighton Buzzard sand was studied for different magnitudes of the three principal stresses and different orientations of the major principal stress using a hollow cylinder apparatus. Stress paths were followed that allowed well defined portions of different yield surfaces to be determined under generalized stress conditions. The Matsuoka-Nakai and Lade yield criteria were both found to adequately predict the onset of yielding under generalized stress conditions. The experimental data indicated that the onset of yielding as predicted by both yield criteria was independent of the orientation of the major principal stress and magnitude of the intermediate principal stress.
机译:研究了Leighton Buzzard Sand的产量行为,采用了三个主应力和主要主应力的不同取向的不同幅度使用中空圆柱装置。遵循应力路径,允许在广义应力条件下确定不同屈服表面的良好定义的不同屈服表面。据发现,松山 - 纳卡和储存率标准均可充分预测屈服胁迫条件下的屈服。实验数据表明,通过屈服标准预测的屈服的开始与中间主应力的主要主应力和大小的取向无关。

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